<template>
  <el-card style="height: 80px">
    <el-form :inline="true" class="form">
      <el-form-item label="用户名:">
        <el-input placeholder="请你输入搜索用户名" v-model="keyword"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="default" @click="search()">搜索</el-button>
        <el-button type="primary" size="default" @click="reset">重置</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <el-card style="margin: 10px 0px">
    <el-button type="primary" size="default" @click="addUser()">添加用户</el-button>
    <el-button type="primary" size="default" @click="deleteSelectUser()">批量删除</el-button>
    <!-- table展示用户信息 -->
    <el-table style="margin: 10px 0px" border :data="userArr" @selection-change="handleSelectionChange">
      <el-table-column type="selection" align="center"></el-table-column>
      <el-table-column label="#" align="center" type="index"></el-table-column>
      <el-table-column label="ID" align="center" prop="id"></el-table-column>
      <el-table-column label="用户名字" align="center" show-overflow-tooltip prop="name"></el-table-column>
      <el-table-column label="用户名称" align="center" show-overflow-tooltip prop="username"></el-table-column>
      <el-table-column label="用户角色" align="center" show-overflow-tooltip prop="roleName"></el-table-column>
      <el-table-column label="创建时间" align="center" show-overflow-tooltip prop="createTime"></el-table-column>
      <el-table-column label="更新时间" align="center" show-overflow-tooltip prop="updateTime"></el-table-column>
      <el-table-column label="操作" width="300px" align="center">
        <template #="{ row, $index }">
          <el-button type="primary" size="small" icon="User" @click="setRole(row)">分配角色</el-button>
          <el-button type="primary" size="small" icon="Edit" @click="updateUser(row)">编辑</el-button>
          <el-popconfirm :title="`你确定要删除${row.username}?`" width="260px" @confirm="deleteUser(row.id)">
            <template #reference>
              <el-button type="primary" size="small" icon="Delete">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页器 -->
    <el-pagination v-model:current-page="pageNo" v-model:page-size="pageSize" :page-sizes="[5, 7, 9, 11]" :background="true" layout="prev, pager, next, jumper,->,sizes,total" :total="total" @current-change="getHasUser" @size-change="handler" />
  </el-card>
  <!-- 抽屉结构:完成添加新的用户账号|更新已有的账号信息 -->
  <el-drawer v-model="drawer">
    <!-- 头部标题:将来文字内容应该动态的 -->
    <template #header>
      <h4>{{userParams.id?"修改用户信息":"添加用户信息"}}</h4>
    </template>
    <!-- 身体部分 -->
    <template #default>
      <el-form :model="userParams" :rules="rules" ref="formRef">
        <el-form-item label="用户姓名">
          <el-input placeholder="请您输入用户姓名" v-model="userParams.name"></el-input>
        </el-form-item>
        <el-form-item label="用户昵称">
          <el-input placeholder="请您输入用户昵称" v-model="userParams.username"></el-input>
        </el-form-item>
        <el-form-item label="用户密码" v-if="!userParams.id">
          <el-input placeholder="请您输入用户密码" v-model="userParams.password"></el-input>
        </el-form-item>
      </el-form>
    </template>
    <template #footer>
      <div style="flex: auto">
        <el-button>取消</el-button>
        <el-button type="primary" @click="save">确定</el-button>
      </div>
    </template>
  </el-drawer>

  <el-drawer v-model="drawer1">
    <template #header>
      <h4>分配角色(职位)</h4>
    </template>
    <template #default>
      <el-form>
        <el-form-item label="用户姓名">
          <el-input v-model="userParams.username" :disabled="true"></el-input>
        </el-form-item>
        <el-form-item label="职位列表">
          <!-- v-model="checkAll" 控制是否确认全选    -->
          <!-- handleCheckAllChange 全选了把数据给userRole -->
          <!-- isIndeterminate 不确定的样式(确定样式) -->
          <el-checkbox @change="handleCheckAllChange" v-model="checkAll" :indeterminate="isIndeterminate">全选</el-checkbox>
          <!-- 显示职位的的复选框 -->

          <el-checkbox-group v-model="userRole" @change="handleCheckedCitiesChange">
            <!-- 负责渲染的列表 -->
            <!-- label是选择后的放到userRole中,   @change有改变选择框的话里面有监控改变全选款的样式.   -->
            <el-checkbox v-for="(role, index) in allRole" :key="index" :label="role">{{ role.roleName
                        }}</el-checkbox>
          </el-checkbox-group>

        </el-form-item>
      </el-form>
    </template>
    <template #footer>
      <div style="flex: auto">
        <el-button @click="drawer1 = false">取消</el-button>
        <el-button type="primary" @click="confirmClick">确定</el-button>
      </div>
    </template>
  </el-drawer>

</template>


<script setup lang="ts">
import { nextTick, reactive, ref } from 'vue'
import { reqAddOrUpdateUser, reqAllRole, reqRemoveUser, reqSelectUser, reqSetUserRole, reqUserInfo } from '@/api/user/userManage/index'
import { onMounted } from 'vue'
import { Records, User, UserResponseData } from '@/api/user/userManage/type'
import { ElMessage } from 'element-plus'
import { SetRoleData } from '@/api/product/spu'

const multipleSelection = ref<User[]>([]) // 用于存储选中的数据

// 每当选中项发生变化时触发
const handleSelectionChange = (val: User[]) => {
  multipleSelection.value = val // 将选中的数据存储在 multipleSelection 中
}

let keyword = ref<string>()

//用户总个数
let total = ref<number>(0)

//获取form组件实例
let formRef = ref<any>()
//存储全部用户的数组
let userArr = ref<Records>([])
let pageNo = ref<number>(1)
let pageSize = ref<number>(5)
let drawer = ref(false)

//收集顶部复选框全选数据
let checkAll = ref<boolean>(false)
//控制顶部全选复选框不确定的样式
let isIndeterminate = ref<boolean>(true)
//存储全部职位的数据
let allRole = ref<AllRole>([])
//当前用户已有的职位
let userRole = ref<AllRole>([])
//分配角色按钮的回调
const setRole = async (row: User) => {
  //存储已有的用户信息
  Object.assign(userParams, row)
  //获取全部的职位的数据与当前用户已有的职位的数据
  let result: AllRoleResponseData = await reqAllRole(userParams.id as number)
  if (result.code == 200) {
    //存储全部的职位
    allRole.value = result.data.allRolesList
    //存储当前用户已有的职位
    userRole.value = result.data.assignRoles
    //抽屉显示出来
    drawer1.value = true
  }
}
//确定按钮的回调(分配职位)
const confirmClick = async () => {
  //收集参数
  let data: SetRoleData = {
    userId: userParams.id as number,
    roleIdList: userRole.value.map(item => {
      return item.id as number
    })
  }

  //分配用户的职位
  let result: any = await reqSetUserRole(data)
  if (result.code == 200) {
    //提示信息
    ElMessage({ type: 'success', message: '分配职务成功' })
    //关闭抽屉
    drawer1.value = false
    //获取更新完毕用户的信息,更新完毕留在当前页
    getHasUser(pageNo.value)
  }
}
//搜索按钮的回调
const search = () => {
  //根据关键字获取相应的用户数据
  getHasUser()
  //清空关键字
  keyword.value = ''
}
//删除某一个用户
const deleteUser = async (userId: number) => {
  let result: any = await reqRemoveUser(userId)
  if (result.code == 200) {
    ElMessage({ type: 'success', message: '删除成功' })
    getHasUser(userArr.value.length > 1 ? pageNo.value : pageNo.value - 1)
  }
}
//批量删除按钮的回调
const deleteSelectUser = async () => {
  //整理批量删除的参数
  const idsList: any = multipleSelection.value.map(item => {
    return item.id
  })
  //批量删除的请求
  const result: any = await reqSelectUser(idsList)
  if (result.code == 200) {
    ElMessage({ type: 'success', message: '删除成功' })
    getHasUser(userArr.value.length > 1 ? pageNo.value : pageNo.value - 1)
  }
}

//顶部的全部复选框的change事件
const handleCheckAllChange = (val: boolean) => {
  console.log(val)

  //val:true(全选)|false(没有全选)
  userRole.value = val ? allRole.value : []
  //不确定的样式(确定样式)
  isIndeterminate.value = false
}
//顶部全部的复选框的change事件
const handleCheckedCitiesChange = (value: string[]) => {
  //顶部复选框的勾选数据
  //代表:勾选上的项目个数与全部的职位个数相等，顶部的复选框勾选上
  checkAll.value = value.length === allRole.value.length
  //不确定的样式
  isIndeterminate.value = value.length !== allRole.value.length
}
//收集用户信息的响应式数据
let userParams = reactive<User>({
  username: '',
  name: '',
  password: ''
})
onMounted(() => {
  getHasUser()
})
let drawer1 = ref(false)

const addUser = () => {
  drawer.value = true
  //清除上一次的错误的提示信息
  nextTick(() => {
    formRef.value.clearValidate('username')
    formRef.value.clearValidate('name')
    formRef.value.clearValidate('password')
  })

  //清空数据
  Object.assign(userParams, {
    id: 0,
    username: '',
    name: '',
    password: ''
  })
}
const updateUser = data => {
  drawer.value = true
  Object.assign(userParams, data)
}
//分页器下拉菜单的自定义事件的回调
const handler = () => {
  getHasUser()
}
//获取全部已有的用户信息
const getHasUser = async (pager = 1) => {
  //收集当前页码
  pageNo.value = pager
  let result: UserResponseData = await reqUserInfo(pageNo.value, pageSize.value, keyword.value)
  if (result.code == 200) {
    total.value = result.data.total
    userArr.value = result.data.records
  }
}

//保存按钮的回调
const save = async () => {
  //点击保存按钮的时候,务必需要保证表单全部复合条件在去发请求
  await formRef.value.validate()

  //保存按钮:添加新的用户|更新已有的用户账号信息
  let result: any = await reqAddOrUpdateUser(userParams)
  //添加或者更新成功
  if (result.code == 200) {
    //关闭抽屉
    drawer.value = false
    //提示消息
    ElMessage({
      type: 'success',
      message: userParams.id ? '更新成功' : '添加成功'
    })
    //获取最新的全部账号的信息
    getHasUser(userParams.id ? pageNo.value : 1)
  } else {
    //关闭抽屉
    drawer.value = false
    //提示消息
    ElMessage({
      type: 'error',
      message: userParams.id ? '更新失败' : '添加失败'
    })
  }
}
//校验用户名字回调函数
const validatorUsername = (rule: any, value: any, callBack: any) => {
  //用户名字|昵称,长度至少五位
  if (value.trim().length >= 5) {
    callBack()
  } else {
    callBack(new Error('用户名字至少五位'))
  }
}
//校验用户名字回调函数
const validatorName = (rule: any, value: any, callBack: any) => {
  //用户名字|昵称,长度至少五位
  if (value.trim().length >= 5) {
    callBack()
  } else {
    callBack(new Error('用户昵称至少五位'))
  }
}
const validatorPassword = (rule: any, value: any, callBack: any) => {
  //用户名字|昵称,长度至少五位
  if (value.trim().length >= 6) {
    callBack()
  } else {
    callBack(new Error('用户密码至少六位'))
  }
}
//表单校验的规则对象
const rules = {
  //用户名字
  username: [{ required: true, trigger: 'blur', validator: validatorUsername }],
  //用户昵称
  name: [{ required: true, trigger: 'blur', validator: validatorName }],
  //用户的密码
  password: [{ required: true, trigger: 'blur', validator: validatorPassword }]
}
</script>
 <script lang="ts">
export default {
  name: 'User'
}
</script>
 
<style scoped>
</style>